Nidec FLEXWAVE WPU-63-100-CR High-Torque Strain-Wave Unit
Nidec Drive Technology · MPN WPU-63-100-CR · Maglev ID ac-nidec-wpu-63-100-cr
JP Maker in Japan, factory not confirmed unknown VERIFIED
FLEXWAVE high-torque type B2 closed unit, size 63 (HD size-25 class), 100:1.
Specifications
| Ratio | 100:1 |
|---|---|
| Rated torque | 87 N·m |
| Peak torque (repeated / momentary) | 204 N·m maximum output / 369 N·m emergency stop |
| Backlash | zero backlash (maker claim) |
| Outer diameter | 107 mm (dimension D, WPU-CR size 63) |
| Hollow shaft | no (closed unit, CR code) |
Who makes it
MakerNidec Drive Technology (formerly Nidec-Shimpo)
Based inJapan
RoleBrand owner
Need a different shaft, connector, firmware or enclosure, or a price at 1,000 units? Maglev takes the catalog part to the factory and comes back with a custom version and one fixed price.
Landed cost in the US
CN
40%
TW
10%
VN
15%
IN
12.5%
JP
12.5%
KR
12.5%
DE
10%
MX
12.5%
US
0%
Total US duty on this part by where it is made (2026-10-29). Mexico shown before USMCA preference; qualifying goods enter duty free. Your factory choice, not the shipping port, sets the origin.
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Compliance
| HTS classification | 8483.40.50.10 |
|---|---|
| NDAA | unknown |
| Blue UAS | unknown |
| FCC | n/a |
| Notes | FLEXWAVE sizes are named by outer size (50 ≈ Harmonic Drive size 20, 63 ≈ size 25). Leaflet nominal input speed 3,000 rpm; torque table values match HD CSG/SHG. |
Equivalents from other makers
Sources
- https://www.nidec.com/en/products/drive-equipment/reducers/flexwave/gNSCJ-WPU-CG/product page (WPU closed unit, B2)
- https://www.nidec.com/files/user/www-nidec-com/nidec-drivetechnology/product/download/catalogs_pdf/PowerTransmission_WP/NDTC-FLEXWAVE_WPseries_leaflet_en_41781.pdfWP leaflet: B2 spec table size 63 ratio 100; WPU-CR dimension table
Record confidence: VERIFIED. VERIFIED means the maker's own documents; REPORTED means a credible third party; UNVERIFIED means a single weak source. Anything we could not confirm says unknown.